In the year 407 CE the influence of the Roman Empire on the province of Britannia is ebbing away.
The imperial administrators and the legions have left, but the people who remain must continue their everyday lives as best they can.
The departing governor of Britannia Prima suddenly appoints Marcus Lucullus Silvanus, the son of a regional landowner, as his delegate while he travels to Rome.
When the governor disappears without trace, Marcus, his wife, Hypatia, daughter of .
